1 files changed, 4 insertions, 12 deletions
diff --git a/jstests/noPassthrough/collmod_ttl.js b/jstests/noPassthrough/collmod_ttl.js
index f68e43b67b5..9464ec3284c 100644
--- a/jstests/noPassthrough/collmod_ttl.js
+++ b/jstests/noPassthrough/collmod_ttl.js
@@ -11,6 +11,8 @@
 (function() {
 "use strict";
 
+load("jstests/libs/ttl_util.js");
+
 // Runs TTL monitor constantly to speed up this test.
 const conn = MongoRunner.runMongod({setParameter: 'ttlMonitorSleepSecs=1'});
 
@@ -21,21 +23,11 @@ assert.commandWorked(testDB.createCollection(coll.getName()));
 coll.createIndex({a: 1});
 const expireAfterSeconds = 5;
 
-const waitForTTL = () => {
-    // The 'ttl.passes' metric is incremented when the TTL monitor starts processing the indexes, so
-    // we wait for it to be incremented twice to know that the TTL monitor finished processing the
-    // indexes at least once.
-    const ttlPasses = testDB.serverStatus().metrics.ttl.passes;
-    assert.soon(function() {
-        return testDB.serverStatus().metrics.ttl.passes > ttlPasses + 1;
-    });
-};
-
 // Inserts a measurement older than the TTL expiry. The data should be found.
 const expired = new Date((new Date()).getTime() - (1000 * 10));
 assert.commandWorked(coll.insert({a: expired}));
 
-waitForTTL();
+TTLUtil.waitForPass(testDB);
 assert.eq(1, coll.find().itcount());
 
 // Converts to a TTL index and checks the data is deleted.
@@ -47,7 +39,7 @@ assert.commandWorked(testDB.runCommand({
     }
 }));
 
-waitForTTL();
+TTLUtil.waitForPass(testDB);
 assert.eq(0, coll.find().itcount());
 
 MongoRunner.stopMongod(conn);